
21. ICS 1-200 (R2005, R2008), Industrial Control and Systems: General Requirements; 2008,
page 10. National Electrical Manufacturers Association, Rosslyn, VA.
22. ICS 2-2000 (R2005), Industrial Control and Systems: Controllers, Contactors and
Overload Relays Rated 600 Volts; General Requirements; 2008, page 1-2. National
Electrical Manufacturers Association, Rosslyn, VA.
23. ICS 2-2000 (R2005, R2008), Industrial Control and Systems: Controllers, Contactors,
and Overload Relays Rated 600 Volts; 2008, pages 37-38. National Electrical
Manufacturers Association; Rosslyn, VA.
24. NEMA ICS 2-2000 (R2005), Industrial Control and Systems Controllers, Contactors ...